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Add simplex comparison operators

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Nikita Lisitsa 2021-01-23 21:33:59 +03:00
parent 7ac4e3eb9b
commit 18fa286896
1 changed files with 37 additions and 0 deletions
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37
libs/geom/include/psemek/geom/simplex.hpp
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@ -4,6 +4,7 @@
#include <iostream>
#include <type_traits>
#include <algorithm>
namespace psemek::geom
{
@ -35,6 +36,42 @@ namespace psemek::geom
template <typename Point>
using triangle = simplex<Point, 2>;
template <typename P, std::size_t K>
bool operator == (simplex<P, K> const & s1, simplex<P, K> const & s2)
{
return std::equal(s1.points, s1.points + K + 1, s2.points);
}
template <typename P, std::size_t K>
bool operator != (simplex<P, K> const & s1, simplex<P, K> const & s2)
{
return !(s1 == s2);
}
template <typename P, std::size_t K>
bool operator < (simplex<P, K> const & s1, simplex<P, K> const & s2)
{
return std::lexicographical_compare(s1.points, s1.points + K + 1, s2.points, s2.points + K + 1);
}
template <typename P, std::size_t K>
bool operator > (simplex<P, K> const & s1, simplex<P, K> const & s2)
{
return s2 < s1;
}
template <typename P, std::size_t K>
bool operator <= (simplex<P, K> const & s1, simplex<P, K> const & s2)
{
return !(s2 < s1);
}
template <typename P, std::size_t K>
bool operator >= (simplex<P, K> const & s1, simplex<P, K> const & s2)
{
return !(s1 < s2);
}
template <typename Point, std::size_t K>
std::ostream & operator << (std::ostream & os, simplex<Point, K> const & s)
{